Yamaha F150B Service Manual - Fuel
6-7
FUEL
Fuel system
Checking the canister
1.
Check the canister. Replace the canister
if cracked.
2.
Connect the special service tool a to the
atmospheric port a and cover the other
ports b with fingers.
3.
Apply the specified positive pressure and
check that there is no air leakage.
Replace the canister if there is air leak-
age.
Installing the canister
1.
Install the grommets a and collars b to
the bracket c.
2.
Install the bracket c, and temporarily
tighten the fuel pump assembly bolt d
and cylinder head cover bolts e.
3.
Tighten the fuel pump assembly bolt d
to the specified torque.
TIP:
Tighten the cylinder head cover bolts e to
the general torque in 2 stages.
4.
Install the canister using the bracket and
the bolt. See exploded diagram (6-6).
Vacuum/pressure pump gauge set a:
90890-06756
Specified pressure:
19.6 kPa (0.196 kgf/cm
2
, 2.8 psi)
50
20
0
a
b
a
c
a
b
a
a
Fuel pump assembly bolt d:
10 N·m (1.0 kgf·m, 7.4 ft·lb)
c
d
e